Hu/Mu protin oligonucleotide microarray

Dual-species array for profiling protease and protease inhibitor gene expression in tumors and their microenvironment

Donald R. Schwartz, Kamiar Moin, Bin Yao, Lynn M. Matrisian, Lisa Coussens, Thomas H. Bugge, Barbara Fingleton, Heath B. Acuff, Mark Sinnamon, Hind Nassar, Adrian E. Platts, Stephen A. Krawetz, Bruce E. Linebaugh, Bonnie F. Sloane

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Proteolysis is a critical regulatory mechanism for a wide variety of physiologic and pathologic processes. To assist in the identification of proteases, their endogenous inhibitors, and proteins that interact with proteases or proteolytic pathways in biological tissues, a dual-species oligonucleotide microarray has been developed in conjunction with Affymetrix. The Hu/Mu ProtIn microarray contains 516 and 456 probe sets that survey human and mouse genes of interest (proteases, protease inhibitors, or interactors), respectively. To investigate the performance of the array, gene expression profiles were analyzed in pure mouse and human samples (reference RNA; normal and tumor cell lines/tissues) and orthotopically implanted xenografts of human A549 lung and MDA-MB-231 breast carcinomas. Relative gene expression and "present-call" P values were determined for each probe set using dChip and MAS5 software, respectively. Despite the high level of sequence identity of mouse and human protease/inhibitor orthologues and the theoretical potential for cross-hybridization of some of the probes, >95% of the "present calls" (P <0.01) resulted from same-species hybridizations (e.g., human transcripts to human probe sets). To further assess the performance of the microarray, differential gene expression and false discovery rate analyses were carried out on human or mouse sample groups, and data processing methods to optimize performance of the mouse and human probe sets were identified. The Hu/Mu ProtIn microarray is a valuable discovery tool for the identification of components of human and murine proteolytic pathways in health and disease and has particular utility in the determination of cellular origins of proteases and protease inhibitors in xenograft models of human cancer.

Original languageEnglish (US)
Pages (from-to)443-454
Number of pages12
JournalMolecular Cancer Research
Volume5
Issue number5
DOIs
StatePublished - May 2007
Externally publishedYes

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Tumor Microenvironment
Protease Inhibitors
Oligonucleotide Array Sequence Analysis
Peptide Hydrolases
Gene Expression
Heterografts
Forensic Anthropology
Pathologic Processes
Tumor Cell Line
Transcriptome
Proteolysis
Software
RNA
Breast Neoplasms
Lung
Health

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research

Cite this

Hu/Mu protin oligonucleotide microarray : Dual-species array for profiling protease and protease inhibitor gene expression in tumors and their microenvironment. / Schwartz, Donald R.; Moin, Kamiar; Yao, Bin; Matrisian, Lynn M.; Coussens, Lisa; Bugge, Thomas H.; Fingleton, Barbara; Acuff, Heath B.; Sinnamon, Mark; Nassar, Hind; Platts, Adrian E.; Krawetz, Stephen A.; Linebaugh, Bruce E.; Sloane, Bonnie F.

In: Molecular Cancer Research, Vol. 5, No. 5, 05.2007, p. 443-454.

Research output: Contribution to journalArticle

Schwartz, DR, Moin, K, Yao, B, Matrisian, LM, Coussens, L, Bugge, TH, Fingleton, B, Acuff, HB, Sinnamon, M, Nassar, H, Platts, AE, Krawetz, SA, Linebaugh, BE & Sloane, BF 2007, 'Hu/Mu protin oligonucleotide microarray: Dual-species array for profiling protease and protease inhibitor gene expression in tumors and their microenvironment', Molecular Cancer Research, vol. 5, no. 5, pp. 443-454. https://doi.org/10.1158/1541-7786.MCR-06-0337
Schwartz, Donald R. ; Moin, Kamiar ; Yao, Bin ; Matrisian, Lynn M. ; Coussens, Lisa ; Bugge, Thomas H. ; Fingleton, Barbara ; Acuff, Heath B. ; Sinnamon, Mark ; Nassar, Hind ; Platts, Adrian E. ; Krawetz, Stephen A. ; Linebaugh, Bruce E. ; Sloane, Bonnie F. / Hu/Mu protin oligonucleotide microarray : Dual-species array for profiling protease and protease inhibitor gene expression in tumors and their microenvironment. In: Molecular Cancer Research. 2007 ; Vol. 5, No. 5. pp. 443-454.
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AU - Bugge, Thomas H.

AU - Fingleton, Barbara

AU - Acuff, Heath B.

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